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Choose us, we will provide high-quality Large Diameter LSAW Pipe, Square and Rectangular Hollow Structural Section, rectangular steel tube solutions, and also expand your market share, so that you can achieve business success. In the spirit of being highly responsible for consumers, all Straight Seam steel pipe we produce and sell implement a third-party inspection system, and all jewelry has been tested by inspection agencies. First-class technology, excellent quality and experienced and professional talents make our company's products exported to Southeast Asia, South America, Europe and other countries and regions, and have received many praises. Our goal always shines on our way forward and continues to inspire us to move forward. We formulate relevant preferential policies and design career development plans for employees to create a fast track for their growth and equal employment opportunities. Our product portfolio includes a wide range of items, from electronics to fashion accessories. Our company prides itself on offering outstanding after-sales service. We prioritize employee training and development to ensure continuous improvement and expertise.
  • SSAW Pipe
    SSAW Pipe

    SSAW pipe, spiral welded steel pipe, spiral weld steel pipe, SAW steel pipe, Q235 SSAW pipe, Q345 SSAW pipe.

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  • Q235B Carbon Steel Pipes
    Q235B Carbon Steel Pipes

    Q235B carbon steel pipe is usually used for fluid transportation and general structural. Its execute standard is GB/T 3091. We always do our best to offer the best quality carbon steel pipes, and the

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  • ASTM A252 Welded Steel Pipe
    ASTM A252 Welded Steel Pipe

    ASTM A252 welded steel pipe is a type of steel pipe designed specifically for pile driving purposes, with high strength and durability. Tianjin Wanlei Steel Pipe Co., Ltd have many export experience

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  • ASTM A139 Electric Fusion Arc Welded Steel Pipe
    ASTM A139 Electric Fusion Arc Welded Steel Pipe

    Electric fusion arc welded straight seam or helical seam steel pipes. There are five steel grades in ASTM A139 standard, Grade A, Grade B, Grade C, Grade D and Grade E. Looking forward to your

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  • DIN17177 Electric Resistance Welded Steel Tubes For Elevated Temperature
    DIN17177 Electric Resistance Welded Steel Tubes For Eleva...

    Electric resistance welded steel Tubes under DIN 17177 standard are made from hot or cold rolled steel strip and apply for boilers, pipework, pressure vessels and equipment. This kind of steel tubes

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  • ERW Steel Pipe
    ERW Steel Pipe

    ERW steel pipe, API 5L ERW steel pipe, ASTM A53 ERW steel pipe. ERW steel pipe is one of our main products, features are stock enough, production quick, price cheaper and suitable for large

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  • JIS G3452 Carbon Steel Pipes
    JIS G3452 Carbon Steel Pipes

    We can supply all kinds of seamless carbon steel pipes and welded pipes of Japanese standard.Such as JIS G3452,JIS G3444,JIS G3454,JIS G3466...

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  • Small Diameter ERW Steel Pipe
    Small Diameter ERW Steel Pipe

    small diameter ERW steel pipe is one of hot sale steel pipes in our company, the outer diameter range is from 10.3mm to 177.8mm. For ERW steel pipe of non-standard size, we can produce as per

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  • API 5L B LSAW Steel Pipes
    API 5L B LSAW Steel Pipes

    API 5L B LSAW steel pipe is a steel pipe and is commonly used for pipeline transportation systems in the petroleum and natural gas industries.

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  • 64 Inch Two-step SAWH Pipes
    64 Inch Two-step SAWH Pipes

    64" two-step SAWH pipes Production line This production line adopts the most advanced welding process technology, namely Two step production process. The pipes are firstly formed into a pipe

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  • Square and Rectangular Hollow Structural Section
    Square and Rectangular Hollow Structural Section

    Square and rectangular hollow structural section as per ASTM A500, EN10210, JIS G3101, JIS G3466, manufacturer process: seamless and ERW

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  • Spiral Submerged ARC Welded Pipes
    Spiral Submerged ARC Welded Pipes

    Spiral Submerged Arc Welded Pipes, spiral welded steel pipe, SSAW, large diameter welded steel pipe, as per ASTM A53, API 5L PSL1, EN10219 standard

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Kathy Butner star star star star star
After receiving the goods, we were very satisfied, got to know your company better, and found that you always adhere to the corporate philosophy of good faith, and we appreciate this attitude.
Rob Baker star star star star star
The product is very solid, the chassis is stable, and it is still stable after the materials are placed. It will not topple, which solves the problem of disorderly placement.
Linda Woods star star star star star
The supplier's installation was fast, the service attitude was very good, and they also patiently instructed how to use it and the daily maintenance in the future. I am very satisfied.
Frances Jackson star star star star star
If you're a fan of classic styles, this is a good place to look. The styles in their store are classic and the quality is very good.
Jack Hallam star star star star star
The quality of the product is very good, beyond our expectation, exactly the same as in your brochure, our boss is very satisfied.
Roger Monette star star star star star
This company has been pursuing the quality first, integrity-based business purposes for many years. Especially in recent years, with the rapid development of the company and the implementation of the
What are the manufacturing processes of straight seam steel pipes?...

WebStraight seam steel pipes can be divided into high-frequency straight seam steel pipes (ERW steel pipes) and submerged arc welded straight seam steel pipes (SSAW steel...

Different types and appearance requirements of straight seam …...

WebRequirements for the appearance of straight seam steel pipe: 1. No cracks, unfused, pores, slag inclusions, and splashes are allowed. 2. The welding seam surface of...

Straight seam steel pipe - Threeway Steel Co.,Ltd....

WebJun 25, 2023 · Straight seam steel pipe high-frequency welding process 5.1 Control of weld gap The strip steel is sent into the welded pipe unit, and rolled by multiple rollers, the strip steel is...

Standard Specification for Electric-Fusion (Arc)-Welded Steel …...

WebSep 20, 2022 · This specification covers five grades of electric-fusion (arc)-welded straight-seam or helical steel pipe including pipe of NPS 4 and over. The required chemical...

What are the Inspection Methods of ERW Straight …...

WebJun 11, 2020 · The selection principle of the surface non-destructive testing method for straight seam steel pipes: for ferromagnetic material steel pipes, magnetic particle testing should be...

LSAW Welded Steel Pipe Features and Manufacturing …...

WebLSAW (Longitudinal double submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology. JCOE technology represents the...

Since its establishment, our company has been committed to the research and development of 610mm Large Diameter Black Steel Pipe, JIS G3454 Carbon Steel Seamless Steel Pipe related technologies, has set up a special team to continuously carry out technological innovation, and is committed to strengthening the technical level of the domestic industry. In addition, modern production and processing equipment enable our output to meet the needs of our customers. Equipped with advanced facilities, Tianjin Wanlei Steel Pipe Co., Ltd. is one of the professional straight seam steel pipe manufacturers and suppliers in China. Under strict quality control and management system, we can assure the high quality of our products. Please be free to buy straight seam steel pipe with our factory.

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